Camera view is too fast?
If i get you correct, you are trying to move around the project using Shift+F,

If you are trying to zoom in and out, try Ctrl + MMB (Forward and backwards to zoom in and out)

Also if you want to edit specific area, press Keypad - . to zoom in to edge/ face or vertex after selecting them.

Set the clipping area of the camera to lowest-or 1mm (camera of the viewport, not in your actual camera which you use to render. Select N in you 3d space. you will get a menu on the Right*, from that look down towards middle to reach Clip options)